Base | Representation |
---|---|
bin | 1100101111110010111101… |
… | …11001001100100001100010 |
3 | 10200020200202010110212121100 |
4 | 12113321132321030201202 |
5 | 12133223030422004011 |
6 | 135341020053135230 |
7 | 5622066061045230 |
oct | 627713671144142 |
9 | 120220663425540 |
10 | 28030548625506 |
11 | 8a27763a42809 |
12 | 318861202a516 |
13 | 1284366b1b95b |
14 | 6cc985b57950 |
15 | 339213b95d56 |
hex | 197e5ee4c862 |
28030548625506 has 96 divisors (see below), whose sum is σ = 70143810871680. Its totient is φ = 7923985118208.
The previous prime is 28030548625459. The next prime is 28030548625523. The reversal of 28030548625506 is 60552684503082.
28030548625506 is a `hidden beast` number, since 2 + 8 + 0 + 3 + 0 + 5 + 4 + 8 + 625 + 5 + 0 + 6 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44406900 + ... + 45033696.
It is an arithmetic number, because the mean of its divisors is an integer number (730664696580).
Almost surely, 228030548625506 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28030548625506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35071905435840).
28030548625506 is an abundant number, since it is smaller than the sum of its proper divisors (42113262246174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28030548625506 is a wasteful number, since it uses less digits than its factorization.
28030548625506 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630568 (or 630565 counting only the distinct ones).
The product of its (nonzero) digits is 13824000, while the sum is 54.
The spelling of 28030548625506 in words is "twenty-eight trillion, thirty billion, five hundred forty-eight million, six hundred twenty-five thousand, five hundred six".
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